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18NM NW Galveston TX

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 1:22 pm CDT May 16, 2026
Forecast Valid: 2pm CDT May 16, 2026-6pm CDT May 22, 2026

...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT THROUGH THIS

This Afternoon

SSE wind around 15 kt. Mostly sunny. Seas around 1 ft.

Tonight

SSE wind around 15 kt. A slight chance of showers between 1am and 3am. Seas around 1 ft.

Sunday

SSE wind around 15 kt, with gusts as high as 20 kt. A slight chance of showers and thunderstorms after 1pm. Seas around 1 ft.

Sunday Night

SSE wind 15 to 20 kt. Mostly cloudy. Seas around 1 ft.

Monday

SSE wind 15 to 20 kt. A slight chance of showers and thunderstorms after 1pm. Seas around 1 ft.

Monday Night

SE wind around 15 kt, with gusts as high as 20 kt. Mostly cloudy. Seas around 1 ft.

Tuesday

SE wind around 15 kt. A slight chance of showers and thunderstorms after 1pm. Seas around 1 ft.

Tuesday Night

SE wind 10 to 15 kt. Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm after 1am. Seas around 1 ft.

Wednesday

SSE wind 5 to 10 kt. Showers likely and possibly a thunderstorm. Seas around 1 ft.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.